2353623 has 4 divisors (see below), whose sum is σ = 3138168. Its totient is φ = 1569080.

The previous prime is 2353621. The next prime is 2353639. The reversal of 2353623 is 3263532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2353623 - 2¹ = 2353621 is a prime.

It is a super-2 number, since 2×2353623² = 11079082452258, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2353593 and 2353602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392268 + ... + 392273.

It is an arithmetic number, because the mean of its divisors is an integer number (784542).

2^2353623 is an apocalyptic number.

2353623 is a deficient number, since it is larger than the sum of its proper divisors (784545).

2353623 is an equidigital number, since it uses as much as digits as its factorization.

2353623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784544.

The product of its digits is 3240, while the sum is 24.

The square root of 2353623 is about 1534.1522088763. The cubic root of 2353623 is about 133.0185776902.

Subtracting 2353623 from its reverse (3263532), we obtain a palindrome (909909).

The spelling of 2353623 in words is "two million, three hundred fifty-three thousand, six hundred twenty-three".